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Bless a test

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This commit is contained in:
Waffle Lapkin 2024-05-20 04:24:23 +02:00
parent 0f41d26f41
commit 268b556393
2 changed files with 40 additions and 15 deletions
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4
tests/ui/delegation/not-supported.rs
View file

@ -70,12 +70,16 @@ mod to_reuse {
pub fn opaque_arg(_: impl Trait) -> i32 { 0 }
pub fn opaque_ret() -> impl Trait { unimplemented!() }
//~^ warn: this function depends on never type fallback being `()`
//~| warn: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
}
reuse to_reuse::opaque_arg;
//~^ ERROR delegation with early bound generics is not supported yet
trait ToReuse {
fn opaque_ret() -> impl Trait { unimplemented!() }
//~^ warn: this function depends on never type fallback being `()`
//~| warn: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
}
// FIXME: Inherited `impl Trait`s create query cycles when used inside trait impls.

51
tests/ui/delegation/not-supported.stderr
View file

@ -107,7 +107,7 @@ LL | reuse Trait::foo2 { &self.0 }
| ^^^^
error: delegation with early bound generics is not supported yet
--> $DIR/not-supported.rs:74:21
--> $DIR/not-supported.rs:76:21
|
LL | pub fn opaque_arg(_: impl Trait) -> i32 { 0 }
| --------------------------------------- callee defined here
@ -115,46 +115,67 @@ LL | pub fn opaque_arg(_: impl Trait) -> i32 { 0 }
LL | reuse to_reuse::opaque_arg;
| ^^^^^^^^^^
error[E0391]: cycle detected when computing type of `opaque::<impl at $DIR/not-supported.rs:82:5: 82:24>::{synthetic#0}`
--> $DIR/not-supported.rs:83:25
warning: this function depends on never type fallback being `()`
--> $DIR/not-supported.rs:80:9
|
LL | fn opaque_ret() -> impl Trait { unimplemented!() }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748>
= help: specify the types explicitly
= note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default
error[E0391]: cycle detected when computing type of `opaque::<impl at $DIR/not-supported.rs:86:5: 86:24>::{synthetic#0}`
--> $DIR/not-supported.rs:87:25
|
LL | reuse to_reuse::opaque_ret;
| ^^^^^^^^^^
|
note: ...which requires comparing an impl and trait method signature, inferring any hidden `impl Trait` types in the process...
--> $DIR/not-supported.rs:83:25
--> $DIR/not-supported.rs:87:25
|
LL | reuse to_reuse::opaque_ret;
| ^^^^^^^^^^
= note: ...which again requires computing type of `opaque::<impl at $DIR/not-supported.rs:82:5: 82:24>::{synthetic#0}`, completing the cycle
note: cycle used when checking that `opaque::<impl at $DIR/not-supported.rs:82:5: 82:24>` is well-formed
--> $DIR/not-supported.rs:82:5
= note: ...which again requires computing type of `opaque::<impl at $DIR/not-supported.rs:86:5: 86:24>::{synthetic#0}`, completing the cycle
note: cycle used when checking that `opaque::<impl at $DIR/not-supported.rs:86:5: 86:24>` is well-formed
--> $DIR/not-supported.rs:86:5
|
LL | impl ToReuse for u8 {
| ^^^^^^^^^^^^^^^^^^^
= note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information
error[E0391]: cycle detected when computing type of `opaque::<impl at $DIR/not-supported.rs:85:5: 85:25>::{synthetic#0}`
--> $DIR/not-supported.rs:86:24
warning: this function depends on never type fallback being `()`
--> $DIR/not-supported.rs:72:9
|
LL | pub fn opaque_ret() -> impl Trait { unimplemented!() }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748>
= help: specify the types explicitly
error[E0391]: cycle detected when computing type of `opaque::<impl at $DIR/not-supported.rs:89:5: 89:25>::{synthetic#0}`
--> $DIR/not-supported.rs:90:24
|
LL | reuse ToReuse::opaque_ret;
| ^^^^^^^^^^
|
note: ...which requires comparing an impl and trait method signature, inferring any hidden `impl Trait` types in the process...
--> $DIR/not-supported.rs:86:24
--> $DIR/not-supported.rs:90:24
|
LL | reuse ToReuse::opaque_ret;
| ^^^^^^^^^^
= note: ...which again requires computing type of `opaque::<impl at $DIR/not-supported.rs:85:5: 85:25>::{synthetic#0}`, completing the cycle
note: cycle used when checking that `opaque::<impl at $DIR/not-supported.rs:85:5: 85:25>` is well-formed
--> $DIR/not-supported.rs:85:5
= note: ...which again requires computing type of `opaque::<impl at $DIR/not-supported.rs:89:5: 89:25>::{synthetic#0}`, completing the cycle
note: cycle used when checking that `opaque::<impl at $DIR/not-supported.rs:89:5: 89:25>` is well-formed
--> $DIR/not-supported.rs:89:5
|
LL | impl ToReuse for u16 {
| ^^^^^^^^^^^^^^^^^^^^
= note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information
error: recursive delegation is not supported yet
--> $DIR/not-supported.rs:99:22
--> $DIR/not-supported.rs:103:22
|
LL | pub reuse to_reuse2::foo;
| --- callee defined here
@ -162,7 +183,7 @@ LL | pub reuse to_reuse2::foo;
LL | reuse to_reuse1::foo;
| ^^^
error: aborting due to 16 previous errors
error: aborting due to 16 previous errors; 2 warnings emitted
Some errors have detailed explanations: E0049, E0195, E0391.
For more information about an error, try `rustc --explain E0049`.